{"data":{"id":"us/5-cfr-839.401","jurisdiction":"us","citation":"5 CFR 839.401","heading":"What can I elect if I was put in CSRS or CSRS Offset by mistake?","body":"If you were placed in CSRS or CSRS Offset due to a qualifying retirement coverage error and you should have been in FERS, you may elect CSRS Offset or FERS. If you were placed in CSRS or CSRS Offset due to a qualifying retirement coverage error and you should have been in Social Security-Only, you may elect CSRS Offset or Social Security-Only. This is summarized in the following chart:\nYou are in: And you belong in: You may elect:\nCSRS FERS CSRS Offset or FERS.\nCSRS Offset FERS\nCSRS Social Security-Only CSRS Offset or Social Security-Only.\nCSRS Offset Social Security-Only","path":["Title 5—Administrative Personnel","CHAPTER I—OFFICE OF PERSONNEL MANAGEMENT","SUBCHAPTER B—CIVIL SERVICE REGULATIONS","PART 839—CORRECTION OF RETIREMENT COVERAGE ERRORS UNDER THE FEDERAL ERRONEOUS RETIREMENT COVERAGE CORRECTIONS ACT","Subpart D—Retirement Coverage Elections for Errors That Were Not Previously Corrected"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-5.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:23:53Z","sha256":"2468dbc4fc8b0057082e5313dd849fd1d72059f26081792c95af777eb728640e","source_id":"us-cfr","stale":true,"prev":"us/5-cfr-839.304","next":"us/5-cfr-839.411"},"notice":"GroundRules: Original legal text. Not legal advice."}